Data collected on the yearly registrations for a Six Sigma seminar at the Quality College are shown in the following table 10 11 120 170 40 Year 1 2 3 4 5 6 7. 3 9 Registrations (000) 50 50 50 9.0 70 80 30 120 This exercise contains only parts a ando a) Using a 3-year moving average, the forecasted registrations in thousands) for years through 12 are fround your responses to one decimal place) Year 4 6 7 8 9 10 10 Forecast 12